<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <title>Page2</title>
</head>
<body>
<h1>Welcome to page 2</h1>
<button onclick="window.location.href = 'page1.html'">go to page 1</button>
</body>
</html>